*{
    margin: 0;
    padding: 0;
}
body{
    font-size: 16px;
    letter-spacing: -0.41px;
}
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
        padding: 0;
    }
}
.container{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}


/*nav内容部分样式*/

nav{
    background: #3097d1;
}
.col-md-1{
    height: 50px;
}
.navbar-brand img{
    width: 71px;
    height: 20px;
}
header .col-md-1 a{
    color: #d1e5ec;
    text-decoration: none;
    font-size: 14px;
}
header .col-md-1 a:hover{
    color: #fff;
}
.cl{
    color: #ffffff;
}
.navbar-nav .active{
    color: #fff;
    margin-right: 15px;
}
.navbar-light .navbar-nav .nav-link {
    color:#000000;
    margin-left: 15px;
    margin-right: 15px;
}
.navbar-light .navbar-nav .active>.nav-link, .navbar-light .navbar-nav .nav-link.active, .navbar-light .navbar-nav .nav-link.show, .navbar-light .navbar-nav .show>.nav-link {
    color: rgba(255, 255, 255, 1);
}
.navbar-light .navbar-nav .nav-link:focus, .navbar-light .navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 1);
}


/*main内容部分样式*/

.main{
    background: #f5f8fa;
    padding: 30px 0 100px 0;
}


/*main左边内容部分样式*/

.card{
    border: 1px solid #d3e0e9;
}
.card-1{
    border-radius: 3px;
    position: relative;
    text-align: center;
}
.card-1 img{
    width:275px;
    height: 149px;
    margin-bottom: 54px;
}
.card-1 .img-2{
    width: 94px;
    height: 94px;
    border-radius: 50%;
    border: 2px solid #f0f0f0;
    position: absolute;
    top: 96px;
    left: 92px;
}
.card-1 p{
    margin: 0 8px 29px 8px;
}
.card-2,.card-3{
    border-radius:3px ;
    margin-top: 30px;
    padding: 17px 14px;
}

.card-2 p{
    font-size: 14px;
    margin-bottom: 6px;
}
.card-2 a{
    color: #6ac1ef;
}
.card-2 a:hover{
    color: #518daf;
    text-decoration: none;
}
.card-3 img{
    width: 118px;
    height: 118px;
}
.card-3 div{
    width: 244px;
    height: 374px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-between;
}


/*main中间内容样式*/

.item-2{
    width: 583px;
}
.card-4{
}
h6{
    position: relative;
}
h6 .span-1{
    font-size: 14px;
    color: #a3abb2;
    position: absolute;
    bottom: 0;
    right: 0;
}
.mc-mt{
    width: 543px;
    height: 436px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-between;
}
.mc-mt img{
    width: 266px;
    height: 213px;
}
h5{
    letter-spacing: -0.41px;
    font-size: 16px;
}
h5 .span-2{
    font-weight: normal;
    font-size: 15px;
    color: #1e3948;
    letter-spacing: -0.18px;
}
.img-sub{
    width: 541px;
    height: 524px;
}

/*main右边内容样式*/

.item-3{
    width: 276px;
}
.card-5{
    padding: 12px 15px;
}
.card-5 img {
    width: 245px;
    height: 230px;
}
.card-5 a{
    display: inline-table;
}
.mr2-1{
    display: flex;
}
.mr2-1 img{
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 18px;
}
.mr2-1 p {
    font-size: 16px;
    margin-top: 6px;
}
.mr2-1 p span{
    font-weight: bold;
}
.mr2-1 a{
    border: 1px solid #2a88bd;
    border-radius: 3px;
    padding: 1px 9px;
    display: inline-block;
    text-decoration: none;
    color: #2a88bd;
}
.mr2-1 a:hover{
    color: #2971a1;
}
.mr2-1 a:hover{
     background: #007bff;
    color: white;
}
.li-bt{
    background: #f5f8fa;
}


/*footer内容部分样式*/

footer{
    text-align: center;
    padding: 54px 0 60px 0;
    background: #f5f8fa;
    border-top: 1px solid #cccccc;
}
footer span{
    display: flex;
    width: 303px;
    justify-content: space-between;
    margin: auto;
}
footer b a:hover{
    text-decoration: none;
}

/*响应式代码*/
@media (max-width: 600px) {
    .container{
        justify-content: center;
    }
    .item-2 {
        width: 276px;
    }
    .mc-mt {
        width: 100%;
        height: 80%;
    }
    .mc-mt img {
        width: 100%;
        height: 213px;
        margin-bottom: 5px;
    }
    .img-sub {
        width: 100%;
        height: 213px;
    }
    footer{
        padding: 20px 9px;
        font-size: 14px;
    }
}